Seiko Cal. 5631 - 111

This Solar model from 1981 features a 36mm Gold-Plated case. Powered by the 5631 caliber with 26j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-442cd8aa5b05]

Also known as: Pogue, Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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